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| Titel |
Satellite traces, range spread-F occurrence, and gravity wave propagation at the southern anomaly crest |
| VerfasserIn |
M. A. Cabrera, M. Pezzopane, E. Zuccheretti, R. G. Ezquer |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 28, no. 5 ; Nr. 28, no. 5 (2010-05-18), S.1133-1140 |
| Datensatznummer |
250016832
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| Publikation (Nr.) |
 copernicus.org/angeo-28-1133-2010.pdf |
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| Zusammenfassung |
Range spread-F (RSF) and occurrence of "satellite" traces prior to RSF
onset were studied at the southern peak of the ionospheric equatorial
anomaly (EA). Ionograms recorded in September 2007 at the new ionospheric
station of Tucumán, Argentina (26.9° S, 294.6° E, dip latitude
15.5° S), by the Advanced Ionospheric Sounder (AIS) developed at the
Istituto Nazionale di Geofisica e Vulcanologia (INGV), were considered.
Satellite traces (STs) are confirmed to be a necessary precursor to the
appearance of an RSF trace on the ionograms. Moreover, an analysis of
isoheight contours of electron density seems to suggest a relationship
between RSF occurrence and gravity wave (GW) propagation. |
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